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Which element is classified as a metalloid?(1) boron (2) potassium (3) sulfur (4) xenon

August 2019 NY Chemistry Regents Exam

7 Which element is classified as a metalloid? (1) boron

(2) potassium

(3) sulfur

(4) xenon

Solution: Metalloids are on the staircase on the Periodic Table and include: B, Si, Ge, As, Sb, Te.

Answer: 1

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